Mosquito season in Hardin County, TX: when it starts and ends
Mosquito months in Hardin County
In a normal year mosquito season in Hardin County, TX starts around February 5 and ends around December 16, about 45 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Hardin County, and when
- Start tipping out standing water weekly by January 22.
- Book any yard treatment for early February, ahead of the August peak.
- Repellent can go away after December 16.
- No West Nile cases since 2016, so bites in Hardin County are a nuisance; check window screens.
Hardin County against the rest of TX
Hardin County has the 46th longest season of 254 TX counties, at 314 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 68.2°F.
- Jasper County: February 19 to January 3 (318 days, 1 WNV)
- Maverick County: January 31 to December 14 (317 days, 0 WNV)
- Brazos County: February 7 to December 18 (314 days, 8 WNV)
- Refugio County: February 7 to December 18 (314 days, 0 WNV)
West Nile in Hardin County
From 1999 to 2025, CDC ArboNET counted 6 human West Nile cases in Hardin County (3 neuroinvasive) across 4 years. The worst was 2007 with 3; the latest was 2014.
See how the dates are worked out, and when mosquitoes go away for the winter.